/*
 * Copyright Aristool AG Switzerland
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 * http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 */

package org.opprua.dss.application;


/**
 * TODO: add Java doc
 * 
 * @author Lin Li
 */
public class RUtil {

  private static final String[] NONE_TYPES = { "?", "null", "void" };

  public static boolean isType(String t) {
    boolean res = has(t);
    for (int i = 0; i < NONE_TYPES.length; i++) {
      if (!res) return false;
      res = !NONE_TYPES[i].equals(t);
    }
    return res;
  }

  @SuppressWarnings("unchecked")
  public static <T extends Object> Class<T> getScriptable(String name) {
    try {
      return (Class<T>) Class.forName(name);
    } catch (Throwable e) {
      throw new Error("Failed to create class " + name, e);
    }
  }

  public static boolean has(String s) {
    return s != null && s.trim().length() > 0;
  }
}
